How many economy seats does a standard A320 typically have?

A standard A320 typically has 150 to 180 seats, depending on the configuration selected by the airline. The most common configuration for modern A320 aircraft is indeed around 180 seats, which includes a layout optimized for economy seating.

The choice of 174 seats reflects one of the common layouts that airlines may adopt, balancing comfort and capacity. This configuration allows airlines to maximize passenger numbers while maintaining a degree of space and amenities. It's essential to note that variations can occur based on different airline preferences, but 174 seats does represent a frequently used economy seating arrangement for the A320.

In summary, the choice of 174 seats correctly identifies a typical capacity for an A320 in an all-economy layout, illustrating how the aircraft is designed to accommodate various passenger configurations based on airline strategies.